The maximum image size you can post is 1500 x 1500 and if you try to post something larger, it will fail and tell you the image is too large and it will appear as if you have lost all your text.

If that happens, do not fear, instead press your back button at the top of your browser (or click here) and it will all magically reappear. You can then use Adobe’s FREE Online Image Resizer to make sure it is small enough, reattach it and try again.